HTTP Header Mangler
HTTP Header Mangler inserts HTTP headers on a per host basis.
What is HTTP Header Mangler?
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Summary
HTTP Header Mangler is a Firefox add-on which inserts HTTP headers on a per host basis.
Matching of hosts is done with either simple strings or regular expressions.
Rules can have multiple headers apply to multiple hosts, or simply insert a single header for a single host.
Example rules:
example.com
.*regexp\d+
# This is a comment.
X-Forwarded-For=10.11.12.13
# Delete headers using "" or ''.
X-Forwarded-For=""
X-Forwarded-For=''
User reviews
Safety
Risk impact
HTTP Header Mangler is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install HTTP Header Mangler if you trust the publisher.
Risk likelihood
HTTP Header Mangler is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.